How To Fix WY034 - No different partner functions exist

SAP Error Message - Details

• Message type: E = Error

• Message class: WY - Supplier Master

• Message number: 034

• Message text: No different partner functions exist

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WY034 - No different partner functions exist ?

  SAP Error Message:
  
  WY034 - No different partner functions exist
  
  Cause:
  This error typically occurs in SAP when you are trying to assign or use partner functions in a business transaction (such as sales order, delivery, billing, or vendor/customer master data), but the system cannot find any partner functions that are different from the one already assigned or expected.
  In other words, the system expects to find multiple partner functions (e.g., sold-to party, ship-to party, payer, bill-to party), but only one or none is available or defined in the current context. This can happen due to:
  
  Missing or incomplete partner determination procedure configuration.
  Partner functions not maintained or assigned in the master data (customer/vendor).
  Attempting to assign a partner function that is identical to an existing one where the system expects a different one.
  Incorrect or incomplete partner determination procedure assigned to the document type or sales area.
  
  
  Solution:
  
  
  Check Partner Determination Procedure:
  
  Go to SPRO ? Sales and Distribution ? Basic Functions ? Partner Determination ? Set Up Partner Determination.
  Verify that the partner determination procedure assigned to the sales document or business transaction includes multiple partner functions.
  Ensure that the partner functions are correctly defined and assigned.
  
  
  
  Maintain Partner Functions in Master Data:
  
  For customers: Check the customer master (transaction XD03/VD03) and ensure that all necessary partner functions (sold-to, ship-to, payer, bill-to) are maintained.
  For vendors: Similarly, check vendor master data.
  
  
  
  Check Document Type Configuration:
  
  Verify that the document type (sales order, delivery, billing) is assigned the correct partner determination procedure.
  Ensure that the partner functions required by the document type are maintained.
  
  
  
  Review Partner Assignment in the Document:
  
  When creating or processing the document, ensure that you are not trying to assign the same partner function twice.
  If the system expects a different partner function, assign the correct one.
  
  
  
  Debugging / Logs:
  
  If the above steps do not resolve the issue, debugging the partner determination logic or checking application logs may help identify missing or incorrect partner function assignments.
  
  
  
  
  Related Information:
  
  Partner Functions: These define roles of business partners in a transaction (e.g., Sold-to party, Ship-to party, Payer, Bill-to party).
  Partner Determination Procedure: Controls which partner functions are required, optional, or prohibited in a transaction.
  Transactions to Check:
  
  XD03 / VD03: Display Customer Master
  VD01 / VD02: Create/Change Customer Master
  SPRO: Configuration for Partner Determination
  
  
  SAP Notes: Sometimes SAP releases notes related to partner determination issues; check SAP Support Portal for any relevant notes.
  
  
  Summary:
  The error WY034 - No different partner functions exist means the system cannot find a partner function different from the one already assigned or expected. To fix it, verify and maintain the partner determination procedure, ensure partner functions are correctly assigned in master data and document types, and avoid duplicate partner function assignments in transactions.